Update 0200.岛屿数量.广搜版.md

problems/0200.岛屿数量.广搜版.md

@@ -199,7 +199,9 @@ class Solution {
 
 
 ### Python
+
 BFS solution 
+
 ```python
 class Solution:
     def __init__(self):
@@ -240,6 +242,7 @@ class Solution:
 
 ```
 ### JavaScript
+
 ```javascript
 var numIslands = function (grid) {
     let dir = [[0, 1], [1, 0], [-1, 0], [0, -1]]; // 四个方向
@@ -324,7 +327,6 @@ function numIslands2(grid: string[][]): number {
 ### Go
 
 ```go
-
 var DIRECTIONS = [4][2]int{{-1, 0}, {0, -1}, {1, 0}, {0, 1}}
 
 func numIslands(grid [][]byte) int {